A teenager was accidentally killed during a Saudi raid against "terrorists" in a town populated by minority Shi'ites, residents of the area say.
The interior ministry said it killed four militants during Saturday's operation in Awamiya town to arrest the suspects who shot dead a soldier a week earlier.
But residents gave the toll as five and said they included a youth aged 16 or 17.
"One of them I'm sure is not involved," an activist in the area said on Sunday.
"He was killed in his car."
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A resident of Awamiya said the youth appeared to have been killed "by mistake. One of the bullets got in his neck, while he was driving".
On Saturday, the ministry said the four militants died during a shootout.
They included the prime suspect in the killing of soldier Abdelaziz bin Ahmed al-Assiri, who died on December 14 when security personnel came under fire from farms near Awamiya.
